old useful paper that someone threw in the trash
Answer:
Tundra
Explanation:
Permafrost is a layer just beneath the surface of the ground that never thaws.
Answer:no answer
Explanation: yesssssssssssssssssssssssssssssssss
Hydrogen
I hope this helps you!
Depends, if it's from acid rain (or acid from plants) its chemical if it's from the wind beating (or a plants roots) it down then its physical
